22905257091 has 16 divisors (see below), whose sum is σ = 31535293440. Its totient is φ = 14773001760.

The previous prime is 22905257069. The next prime is 22905257113. The reversal of 22905257091 is 19075250922.

It is an interprime number because it is at equal distance from previous prime (22905257069) and next prime (22905257113).

It is not a de Polignac number, because 22905257091 - 2⁵ = 22905257059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22905257191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277180 + ... + 350198.

It is an arithmetic number, because the mean of its divisors is an integer number (1970955840).

Almost surely, 2^22905257091 is an apocalyptic number.

22905257091 is a deficient number, since it is larger than the sum of its proper divisors (8630036349).

22905257091 is a wasteful number, since it uses less digits than its factorization.

22905257091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76426.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 22905257091 in words is "twenty-two billion, nine hundred five million, two hundred fifty-seven thousand, ninety-one".